| 摘要 |
PROBLEM TO BE SOLVED: To provide a heater that can ensure secondary combustion of unburnt gas resulting from firewood combustion and can burn firewood with high combustion efficiency, without using a special structure and catalyst. SOLUTION: In the heater 10, wood fuel 16 is stored in a container body 12, a fire source 20 is placed on the wood fuel 16, and wood ash 18 is scattered over the wood fuel 16 except over the fire source 20, so that the fire source 20 gradually burns the wood fuel 16 to generate heat. COPYRIGHT: (C)2006,JPO&NCIPI
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